November 2018 1 39 Report

Proporcje:

a) \frac{1}{x} = \frac{5}{15}

b) \frac{2}{3} = \frac{x}{9}

c) \frac{2}{x} = \frac{7}{21}

d) \frac{x+1}{x} = \frac{6}{4}

Z góry będę wdzięczna i bardzo bym prosiła o wykonanie tego bezbłędnie :)

Oczywiście dam Naj ;)


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